So does that mean you are thinking of arriving on visa exempt and then applying for an education visa? Another option is to fly to Vietnam and re-apply
for the DTV. They usually process within 5-10 days
The Thai embassy in London is closed the 31st, Jan 1st and Jan 2nd for holidays. Jan 3rd and Jan 4th is the weekend. That means there are only 2 working days left before your current departure. They are literally telling you it isn’t enough time and you need to reschedule your flight. If you don’t and depart before visa issued, there is a good chance your application is canceled.
Usually a cancelled application means you entered some sort of information incorrectly. Most commonly, it is your name, forgetting a middle name, wrong county for county of your documents, or not being in the country where you applied
Yes, this has happened multiple times - I believe from Japan, Dubai and several others. If they determine that you don’t need a DTV, but need a short term visa, they will give you the METV. Most commonly it happens when people sign up for courses that are too short (less than 6 months). What embassy did you apply through and if soft power, how long was the course?